Add prefix to empty param tests.

googletest will no longer support empty prefix
for parameterized INSTANTIATE_TEST_SUITE_P.
Adding "All" prefix to existing empty prefix test suites.

This CL was uploaded by git cl split.

R=dmazzoni@chromium.org

Bug: 1023677
Change-Id: I172954a36c4a6103cf71995f2e53a08b3a5b8211
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1926821
Auto-Submit: Ilia Samsonov <isamsonov@google.com>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Commit-Queue: Ilia Samsonov <isamsonov@google.com>
Cr-Commit-Position: refs/heads/master@{#718719}

third_party/blink/renderer/modules/accessibility/testing/accessibility_test.h

@@ -63,7 +63,7 @@ class ParameterizedAccessibilityTest : public testing::WithParamInterface<bool>,
   bool LayoutNGEnabled() const { return GetParam(); }
 };
 
-INSTANTIATE_TEST_SUITE_P(, ParameterizedAccessibilityTest, testing::Bool());
+INSTANTIATE_TEST_SUITE_P(All, ParameterizedAccessibilityTest, testing::Bool());
 
 }  // namespace test
 }  // namespace blink